When the motorcycle is turned off and the electronic lock is turned off, the hidden lock will enter the automatic anti-theft state. Without an ID card for identity authentication, the engine cannot be started. Color: Black Material: Plastic Working Voltage: 12V +/- 3V Static Current: Less than 30mA Working Temperature (Main Unit): -40 Celsius - + 85 Celsius Detection Distance: 20mm Packing List: 2 x Smart Card Invisible Alarm Induction Immobilizer Lock Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.